bluegreen315的专栏

Given n points on a 2D plane, find the maximum number of points that lie on the same straight line. 大

Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". Clarification: What constitutes a word? A sequence of non-sp

Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some examples: ["2", "1",

Sort a linked list in O(n log n) time using constant space complexity. 在O（

前几天做了 Google APAC 2015 University Graduates Test，被狠狠地虐了，

Sort a linked list using insertion sort. 发